.book{
    padding: 50px;
}
.book .container{
    max-width: 910px;
}
.book .container .row{

 }
.book .container .row div{
margin-top: 20px;
}
.book .container .row div a{
    color: gray;
}
.book .container .row div a{
    color: gray;
}
.book .container .row div a:hover{
    color: red;
}

.book .container .row div a .media{}

.book .container .row div a .media .media-left{}
.book .container .row div a .media .media-left{}
.book .container .row div a .media .media-left span{
    font-size: 45px;
}

